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dataset_mono: fix dataset parsing

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Starbeamrainbowlabs 2023-01-05 19:00:52 +00:00
parent aca7b83a78
commit 46d1f5e4e0
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
1 changed files with 7 additions and 5 deletions
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12
aimodel/src/lib/dataset/dataset_mono.py
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@ -29,7 +29,7 @@ def parse_item(metadata, output_size=100, input_size="same", water_threshold=0.1
rainfall_offset_x = math.ceil((rainfall_width_source - input_size) / 2) rainfall_offset_x = math.ceil((rainfall_width_source - input_size) / 2)
rainfall_offset_y = math.ceil((rainfall_height_source - input_size) / 2) rainfall_offset_y = math.ceil((rainfall_height_source - input_size) / 2)
print("DEBUG DATASET:rainfall shape", metadata["rainfallradar"], "/", f"{rainfall_width_source} h{rainfall_height_source}") print("DEBUG DATASET:rainfall shape", metadata["rainfallradar"], "/", f"w {rainfall_width_source} h {rainfall_height_source}")
print("DEBUG DATASET:water shape", metadata["waterdepth"]) print("DEBUG DATASET:water shape", metadata["waterdepth"])
print("DEBUG DATASET:water_threshold", water_threshold) print("DEBUG DATASET:water_threshold", water_threshold)
print("DEBUG DATASET:water_bins", water_bins) print("DEBUG DATASET:water_bins", water_bins)
@ -44,6 +44,7 @@ def parse_item(metadata, output_size=100, input_size="same", water_threshold=0.1
heightmap_max = tf.math.reduce_max(heightmap) heightmap_max = tf.math.reduce_max(heightmap)
heightmap_min = tf.math.reduce_min(tf.where(tf.math.less(heightmap, -500), heightmap, tf.fill(heightmap.shape, 0.0))) heightmap_min = tf.math.reduce_min(tf.where(tf.math.less(heightmap, -500), heightmap, tf.fill(heightmap.shape, 0.0)))
heightmap = (heightmap - heightmap_min) / heightmap_max heightmap = (heightmap - heightmap_min) / heightmap_max
heightmap = tf.transpose(heightmap, [1, 0, 2]) # [width, height] → [height, width]
def parse_item_inner(item): def parse_item_inner(item):
parsed = tf.io.parse_single_example(item, features={ parsed = tf.io.parse_single_example(item, features={
@ -58,13 +59,14 @@ def parse_item(metadata, output_size=100, input_size="same", water_threshold=0.1
water = tf.reshape(water, tf.constant(metadata["waterdepth"], dtype=tf.int32)) water = tf.reshape(water, tf.constant(metadata["waterdepth"], dtype=tf.int32))
# Apparently the water depth data is also in HW instead of WH.... sighs # Apparently the water depth data is also in HW instead of WH.... sighs
water = tf.transpose(water, [1, 0]) # * YES IT IS, BUT TENSORFLOW *wants* NHWC NOT NWHC....!
# water = tf.transpose(water, [1, 0])
# [channels, height, weight] → [width, height, channels] - ref ConvNeXt does not support data_format=channels_first # [channels, height, weight] → [height, width, channels] - ref ConvNeXt does not support data_format=channels_first
# BUG: For some reasons we have data that's not transposed correctly still!! O.o # BUG: For some reasons we have data that's not transposed correctly still!! O.o
# I can't believe in this entire project I have yet to get the rotation of the rainfall radar data correct....! # I can't believe in this entire project I have yet to get the rotation of the rainfall radar data correct....!
# %TRANSPOSE% # %TRANSPOSE%
rainfall = tf.transpose(rainfall, [2, 1, 0]) rainfall = tf.transpose(rainfall, [1, 2, 0])
if heightmap is not None: if heightmap is not None:
rainfall = tf.concat([rainfall, heightmap], axis=-1) rainfall = tf.concat([rainfall, heightmap], axis=-1)
if rainfall_scale_up > 1: if rainfall_scale_up > 1:
@ -78,7 +80,7 @@ def parse_item(metadata, output_size=100, input_size="same", water_threshold=0.1
) )
# rainfall = tf.image.resize(rainfall, tf.cast(tf.constant(metadata["rainfallradar"]) / 2, dtype=tf.int32)) # rainfall = tf.image.resize(rainfall, tf.cast(tf.constant(metadata["rainfallradar"]) / 2, dtype=tf.int32))
water = tf.expand_dims(water, axis=-1) # [width, height] → [width, height, channels=1] water = tf.expand_dims(water, axis=-1) # [height, width] → [height, width, channels=1]
water = tf.image.crop_to_bounding_box(water, water = tf.image.crop_to_bounding_box(water,
offset_width=water_offset_x, offset_width=water_offset_x,
offset_height=water_offset_y, offset_height=water_offset_y,